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United States Patent | 5,003,952 |
Weglarz ,   et al. | April 2, 1991 |
The present invention is a method for use in a fuel control system for an engine equipped with fuel injectors, where the time when a fuel injector is fired to fuel its cylinder, relative to the cylinder's valve events, may be varied to enable better fuel preparation corresponding to the various engine operating conditions.
Inventors: | Weglarz; Michael W. (Utica, MI); Vincent; Michael T. (Sterling, MA); Prestel; James F. (Rochester, MI); Sisoler; Paul G. (Warren, MI) |
Assignee: | Chrysler Corporation (Highland Park, MI) |
Appl. No.: | 523094 |
Filed: | May 14, 1990 |
Current U.S. Class: | 123/478 |
Intern'l Class: | F02D 041/04 |
Field of Search: | 123/476,478,480,486,488,490,492,493,494 |
3990412 | Nov., 1976 | Zechnall et al. | 123/478. |
4109616 | Aug., 1978 | Zechnall et al. | 123/478. |
4383515 | May., 1983 | Higashiyama et al. | 123/478. |
4535743 | Aug., 1985 | Igashira et al. | 123/478. |
4562817 | Jan., 1986 | Ito | 123/478. |
4602603 | Jul., 1986 | Honkanen et al. | 123/416. |
4697568 | Oct., 1987 | Yasuoka | 123/478. |
4796591 | Jan., 1989 | Kiyono et al. | 123/492. |